11月25日，在山东省茌平县贾寨镇邢胡刘村黄瓜大棚里，村民展示近期因低温寡照天气而变得发黄有病的黄瓜叶子。[中国网图片库 赵玉国 摄]
A famer shows the leaves of cucumbers which have shriveled up and yellowed due to low temperatures and short durations of sunshine in a greenhouse in Xinghuliu Village of Chiping County in east China's Shandong Province, on Nov. 25, 2015. [Photo by Zhao Yuguo/photostock.china.com.cn]